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LinuxVULNRICHMENT:CVE-2024-40944HistoryJul 12, 2024 - 12:25 p.m.
CVE-2024-40944 x86/kexec: Fix bug with call depth tracking
2024-07-1212:25:18
Linux
github.com
2
linux kernel
vulnerability
x86/kexec
In the Linux kernel, the following vulnerability has been resolved:
x86/kexec: Fix bug with call depth tracking
The call to cc_platform_has() triggers a fault and system crash if call depth
tracking is active because the GS segment has been reset by load_segments() and
GS_BASE is now 0 but call depth tracking uses per-CPU variables to operate.
Call cc_platform_has() earlier in the function when GS is still valid.
[ bp: Massage. ]
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AI Score
6.8
Confidence
Low
SSVC
Exploitation
none
Automatable
no
Technical Impact
partial
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